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Submission #600623

# Submission time Handle Problem Language Result Execution time Memory
600623 2022-07-21T06:26:48 Z 조영욱(#8469) JOI15_building3 (JOI15_building3) C++14
100 / 100
 107 ms 4608 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
int arr[1000000];

int main() {
    scanf("%d",&n);
    int mnp=0;
    int mxp=n-1;
    for(int i=1;i<n;i++) {
        scanf("%d",&arr[i]);
    }
    int pos=0;
    bool flag=true;
    int val;
    for(int i=1;i<n;i++) {
        if (arr[i]>arr[pos]) {
            if (arr[i]>arr[pos]+2) {
                printf("0");
                return 0;
            }
            if (arr[i]==arr[pos]+2) {
                if (!flag) {
                    printf("0");
                    return 0;
                }
                flag=false;
                mnp=pos;
                mxp=i-1;
                val=arr[pos]+1;
            }
            pos=i;
        }
    }
    if (!flag) {
        int ret=0;
        for(int i=mnp;i<=mxp;i++) {
            if (arr[i+1]!=val) {
                ret++;
            }
        }
        printf("%d",ret);
        return 0;
    }
    int mx=0;
    long long ret=0;
    for(int i=1;i<n;i++) {
        mx=max(mx,arr[i]);
        ret+=mx+(i==n-1?1:0);
    }
    printf("%lld",ret);
}

Compilation message

building3.cpp: In function 'int main()':
building3.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
building3.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf("%d",&arr[i]);
      |         ~~~~~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 86 ms 4572 KB Output is correct
22 Correct 97 ms 4608 KB Output is correct
23 Correct 72 ms 4544 KB Output is correct
24 Correct 105 ms 4576 KB Output is correct
25 Correct 80 ms 4576 KB Output is correct
26 Correct 82 ms 4528 KB Output is correct
27 Correct 87 ms 4516 KB Output is correct
28 Correct 80 ms 4584 KB Output is correct
29 Correct 66 ms 4488 KB Output is correct
30 Correct 86 ms 4524 KB Output is correct
31 Correct 98 ms 4584 KB Output is correct
32 Correct 77 ms 4472 KB Output is correct
33 Correct 107 ms 4516 KB Output is correct
34 Correct 104 ms 4556 KB Output is correct
35 Correct 80 ms 4564 KB Output is correct